Tyler Buttle, 21, of Ontario, who was staying at the Best Western Royal Plaza in Northborough, where the conference was being held allegedly attacked a 25-year-old woman Thursday night, the Telegram and Gazette reported.

Police said Buttle met the out-of-state woman at the conference and offered her a ride. He allegedly pulled into a parking lot on Main Street and assaulted the woman twice.

The victim was able to escape, and she fled to a nearby home for help.

Buttle was charged with assault with intent to rape and two counts of indecent assault and battery. He was ordered held on $20,000 bail. He will return to court on April 17.

Buttle, a married father, is a senior vice president for a technology company that makes lie detection software.